Charles



(No Model.)

C. 0. HEGGEM. SPARK ARRBSTBR.

Patented Jan. 10, 1893.

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CHARLES O. I-IEGGEM, OF MASSILLON, OHIO, ASSIGNOR TO THE RUSSELL dv COMPANY, OF SAME PLACE.

SPARKn-ARRESTER.

SPECIFICATION forming part of Letters Patent No. 489,866, dated January 10, 1893.

Application tiled .Tune 15| 1892. Serial No. 436|876- (N0 mdelJ To all whom it may concern:

Be it known that I, CHARLES O. HEGGEM, a citizen of the United States, and a resident of Massillon, county of Stark, State of Ohio, have invented a new and useful Improvement in Spark-Arresters, of which the followingis a full, clear and exact description, reference be* ing had to the accompanying drawings, making part of this specification.

My invention relates to improvements in spark arresters, and consists of certain features of construct-ion and combination of parts as will be hereinafter described and pointed out in the claims.

Figure l of the accompanying drawings is a View in perspective of a smoke stack and spark arrester illustrating my invention. Fig. 24 is a vertical section of smoke stack and side elevation of the spark arresterin closed position. Fig. 3 a similar view of the smoke stack showing the spark arrester iu open position.

A, representing the smoke stack, which may be of any of the well known forms, B, the spark arrester in the form of an inverted cone, divided longitudinally into three parts designated as a, b and c; in each of said divisions is provided transverse series of apertures CZ placed in vertical order, between which is provided outwardly projected ledges e as shown in Fig. 3. At the upper end portion of each of the divisions, is a hook ff by which the divisions are supported on the rim of the smoke stack. The hcokf is divided, and between the prongs is pivoted a lever C, at the inner end of which is pivoted a depending rod h at the lower end portion of which is provided links c that are connected to lugs Z on the inside of the divisions a, h and c, and at the outer end of the lever is a depending rod m, extending down to a pointat the frontend of the boiler, where it is passed through an aperture in a projected stud n and secured by the thumb screw o.

When the divisions are brought together as shown in Fig. 2, the essential features of my invention are shown in the form of an inverted cone having a series of annular ledges e, and apertures d as shown in Fig. 2. The computed area of the apertures d should be no less than the area of the upper end portion of the stack.

In operation to facilitate or relieve the draft from any resistance caused by the presence of the arrester as shown in Fig. 2 at the time of starting the fire, the rod m and lever C, may be brought in use by which the cone may be opened as shown in Fig. 3. It" preferred, the lever C, may project rearwardly from which a rod or cord may extend to the operator at the rear end of the boiler when used on a portable engine. Sparks in their flight caused by the exhaust of steam in the stack will come in contact with one or more of the annular ledges and thereby be arrested and thrown to the bottom of the stack while the smoke willbe free to pass or willbe forced by the exhaust through the apertures and out of the stack.

Having thus fully described the nature and operation of niy invention, what I claim and desire to secure by Letters Patent is:

l. The combination with a smoke stack of the inverted cone B, supported at the upper end of the stack A, by the hooks ff adapted to swing thereon, said cone divided longitudinally and provided with apertures and annular ledges, the lever C, rod h, links k and means for operating said lever to open or close the cone B, substantially as and for the purpose set forth.

2. The combination with a smoke stack of the inverted pendent cone B, having annular ledges e and apertures d in vertical order and divided longitudinally substantially as described and for the purpose set forth. l

3. The combination with a smoke stack of the inverted pendent cone having apertures and ledges as described hinged at the top of said stack, and divided longitudinally and means for swinging said divisions apart and together, substantially as described and for the purpose set forth.

In testimony whereof I have hereunto set my hand this 7th day of June, A. D. 1892.

CHARLES O. I-IEGGEM.

Witnesses:

W. K. MILLER, Citas. R. MILLER. 

